Elliott Research and Demonstration Station艾略特的研究与示范 Economic Rural Development Society农村发展的社会经济 Error Recording Data Set故障记录数据集 Equipment Removal Data Sheet设备迁移数据表 Extended Reach Drilling Simulator扩展及钻井模拟器 Emergency Response Document System应急响应文件系统 Emergency Radio Data Service紧急无线电数据服务 Explosive Residue Detention System爆炸残留物拘留的系统 Emergency Response Data Sheet应急响应数据表 Emergency Response Data System应急响应系统数据 Emergency Radio Data System紧急无线电数据系统 Electronic Report Distribution System电子报告分销系统